Re: [PATCH 5/7] drm/msm/dp: Simplify with drm_dp_{max_link_rate,max_lane_count}()

From: Kuogee Hsieh
Date: Thu Aug 31 2023 - 16:30:25 EST



On 8/29/2023 11:47 AM, Stephen Boyd wrote:
These are open-coded versions of common functions. Replace them with the
common code to improve readability.

Cc: Vinod Polimera <quic_vpolimer@xxxxxxxxxxx>
Cc: Kuogee Hsieh <quic_khsieh@xxxxxxxxxxx>
Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
Tested-by: Kuogee Hsieh <quic_khsieh@xxxxxxxxxxx>
Reviewed-by: Kuogee Hsieh <quic_khsieh@xxxxxxxxxxx>
---
drivers/gpu/drm/msm/dp/dp_panel.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c b/drivers/gpu/drm/msm/dp/dp_panel.c
index 0893522ae158..97ba41593820 100644
--- a/drivers/gpu/drm/msm/dp/dp_panel.c
+++ b/drivers/gpu/drm/msm/dp/dp_panel.c
@@ -58,8 +58,8 @@ static int dp_panel_read_dpcd(struct dp_panel *dp_panel)
major = (link_info->revision >> 4) & 0x0f;
minor = link_info->revision & 0x0f;
- link_info->rate = drm_dp_bw_code_to_link_rate(dpcd[DP_MAX_LINK_RATE]);
- link_info->num_lanes = dpcd[DP_MAX_LANE_COUNT] & DP_MAX_LANE_COUNT_MASK;
+ link_info->rate = drm_dp_max_link_rate(dpcd);
+ link_info->num_lanes = drm_dp_max_lane_count(dpcd);
/* Limit data lanes from data-lanes of endpoint property of dtsi */
if (link_info->num_lanes > dp_panel->max_dp_lanes)